{"id":161780,"date":"2023-01-25T07:16:57","date_gmt":"2023-01-25T07:16:57","guid":{"rendered":"\/knowledge\/forums\/topic\/why-does-ansys-fluent-report-a-floating-point-exception-at-the-first-iteration-when-working-with-the-non-equilibrium-thermal-model-for-porous-cell-zones-netm\/"},"modified":"2023-07-31T12:35:53","modified_gmt":"2023-07-31T12:35:53","slug":"why-does-ansys-fluent-report-a-floating-point-exception-at-the-first-iteration-when-working-with-the-non-equilibrium-thermal-model-for-porous-cell-zones-netm","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/why-does-ansys-fluent-report-a-floating-point-exception-at-the-first-iteration-when-working-with-the-non-equilibrium-thermal-model-for-porous-cell-zones-netm\/","title":{"rendered":"Why does ANSYS Fluent report a floating point exception at the first iteration when working with the non-equilibrium thermal model for porous cell zones (NETM)?"},"content":{"rendered":"<p>The non-equilibrium thermal model (NETM) for porous zones in ANSYS Fluent requires the porosity to be smaller than 1 which is the default value. If you forget to adjust this value the solution diverges in the first iteration. Fluent also prints a warning after activating the model to remind you that this value must be adjusted.<\/p>\n","protected":false},"template":"","class_list":["post-161780","topic","type-topic","status-publish","hentry","topic-tag-4391","topic-tag-conjugate-heat-transfer","topic-tag-fluent","topic-tag-fluid-dynamics","topic-tag-general","topic-tag-heat-transfer-and-radiation","topic-tag-heat-transfer","topic-tag-radiation"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_forum_id":["27791"],"_bbp_author_ip":["23.56.168.180"],"_bbp_last_active_time":["1-24-2023  20:20:16"],"_btv_view_count":["940"],"siebel_km_number":["2053760"],"product_version":["19"],"km_published_date":["2018-03-26T17:31:35.000Z"],"family":["Fluid Dynamics"],"application_name":["FLUENT"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/161780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/161780\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=161780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}